fixes #2235

src/parser.cpp

@@ -1158,10 +1158,6 @@ static AstNode *ast_parse_prefix_expr(ParseContext *pc) {
 //      / Block
 //      / CurlySuffixExpr
 static AstNode *ast_parse_primary_expr(ParseContext *pc) {
-    AstNode *enum_lit = ast_parse_enum_lit(pc);
-    if (enum_lit != nullptr)
-        return enum_lit;
-
     AstNode *asm_expr = ast_parse_asm_expr(pc);
     if (asm_expr != nullptr)
         return asm_expr;
@@ -1496,6 +1492,7 @@ static AstNode *ast_parse_suffix_expr(ParseContext *pc) {
 //     <- BUILTINIDENTIFIER FnCallArguments
 //      / CHAR_LITERAL
 //      / ContainerDecl
+//     / DOT IDENTIFIER
 //      / ErrorSetDecl
 //      / FLOAT
 //      / FnProto
@@ -1556,6 +1553,10 @@ static AstNode *ast_parse_primary_type_expr(ParseContext *pc) {
     if (container_decl != nullptr)
         return container_decl;
 
+    AstNode *enum_lit = ast_parse_enum_lit(pc);
+    if (enum_lit != nullptr)
+        return enum_lit;
+
     AstNode *error_set_decl = ast_parse_error_set_decl(pc);
     if (error_set_decl != nullptr)
         return error_set_decl;
@@ -1958,7 +1959,14 @@ static AstNode *ast_parse_field_init(ParseContext *pc) {
         return nullptr;
 
     Token *name = expect_token(pc, TokenIdSymbol);
-    expect_token(pc, TokenIdEq);
+    if (eat_token_if(pc, TokenIdEq) == nullptr) {
+        // Because ".Name" can also be intepreted as an enum literal, we should put back
+        // those two tokens again so that the parser can try to parse them as the enum
+        // literal later.
+        put_back_token(pc);
+        put_back_token(pc);
+        return nullptr;
+    }
     AstNode *expr = ast_expect(pc, ast_parse_expr);
 
     AstNode *res = ast_create_node(pc, NodeTypeStructValueField, first);